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|   AC to DC Converter   |

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Description

Comarra's AC to DC converter converts -48V DC to AC mains input. The converter provides a universal AC Input [93V AC-276V AC, 47Hz-63Hz] to DC Output [(-) 48V DC]. This is an external converter power supply which is available in a portable and 19 inch rack mount version. The AC to DC converter provides a universal AC Input [93V AC-276V AC, 47Hz-63Hz] to DC Output [(-) 48V DC].

Features

  • Converts -48V DC to AC Mains
  • (85~132V AC, 170~264V AC, 47Hz - 63Hz)
  • High quality and cost effective
  • Small and compact.
  • Autoranging voltage
  • UL, recognized, TUV approved, CSA certified
  • Built-in inrush current, over-current and over-voltage protection circuits.

Technical Specifications

Voltage (85~132V AC, 170~264V AC, 47Hz - 63Hz)
Frequency 47~63Hz
Efficiency 82%typ
Inrush Current 30A typ (ACIN 100/200, lo=100%) (at cold start)
Leakage Current 0.75mA max (60Hz, according to UL, CSA, VDE and DENTORI)
Voltage [V] 48VDC
Current [A] 3A (Cumulative )
Line Regulation [mV] 192 max
Load Regulation [mV] 240 max
Ripple 0~+50 C
[mVp-p] -10-0 C
150 Max
200 max
Ripple Noise 0~+50 C
[mVp-p] -10-0 C
400 Max
600 max
Temperature [mV] 560 max
Coefficient Drift [mV] 192 max
Start-Up time [mS] 200 max (ACIN 100V, lo=100%)
Hold- Up time [mS] 10 typ (ACIN 85V, lo=100%), 20 typ (ACIN 100V , lo=100%)
Output Voltage [V] Fixed
Overcurrent Protection Works over 105% of rating (-H:peak) and recovers automatically
Overvoltage Protection Works at 105% ~ 140% of rating
AC3,000V, 1minute cutoff current= 10mA,
Input- Output DC500V, 50MW min. (At room temperature)
AC2,000V, 1minute cutoff current= 10mA,
Input-FG DC500V, 50MW min. (At room temperature)
Output-FG AC500V, 1minute cutoff current= 10mA, DC500V, 50MW min (At room temperature)
Operating Temp. And Humid. -10~+60 C, 20~90%RH (Non-condensing)
Storage Temp. And Humid. -20~+75 C, 20~90%RH (Non-condensing)
Vibration 10~55Hz, 2G, 3min. Period, 60 min. each along X, Y and Z axis.
Impact 20G, 11mS, once each X, Y and Z axis.
Safety Recognized UL 1950, approved En60950, certified CSA C22.2 No.234, compiles with DENTORI and IEC950
Conducted Noise Compiles with FCC-B, Vfg2443/91 and VCCI 2

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Technical specifications are subject to change without notice.
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